Lens Overlay lets users issue Google searches by interacting with a screenshot of the current page laid over the actual web contents. Additionally, lets users issue Google searches that are contextually aware of the current page. To provide contextual answers, the Lens Overlay send page content to Google to answer the user's query with the context of the page the user is on.
There is no user setting to control this feature, it is generally made available to all users with Google as their default search engine unless disabled by this policy.
0 = Allow the feature to be used, while allowing Google to use relevant data to improve its AI models. Relevant data may include prompts, inputs, outputs, source materials, and written feedback, depending on the feature. It may also be reviewed by humans to improve AI models. 0 is the default value, except when noted below.
1 = Allow the feature to be used, but does not allow Google to improve models using users' content (including prompts, inputs, outputs, source materials, and written feedback). 1 is the default value for Enterprise users managed by Google Admin console and for Education accounts managed by Google Workspace.
2 = Do not allow the feature.
If the policy is unset, its behavior is determined by the GenAiDefaultSettings policy.
For more information on data handling for generative AI features, please see https://support.google.com/chrome/a?p=generative_ai_settings.